Dr. Cristiano is the Richard and Mildred Rhodebeck Professor of Dermatology and Professor of Genetics & Development, and Vice Chair for Basic Science Research in Dermatology at Columbia University. By working to elucidate the genes responsible for alopecia areata, Dr. Christiano's research has helped clarify the immunologic mechanisms behind the disease. Dr. Christiano will provide an update on genetic and immunological studies in alopecia areata.